211344380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{1697}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 479243520

約数和(自身を除く): 267899140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 479, 958, 1697, 1916, 2395, 3394, 4790, 6227, 6788, 8485, 9580, 12454, 16970, 22061, 24908, 31135, 33940, 44122, 62270, 88244, 110305, 124540, 220610, 441220, 812863, 1625726, 3251452, 4064315, 8128630, 10567219, 16257260, 21134438, 42268876, 52836095, 105672190, 211344380]

約数ペア:

[(1, 211344380), (2, 105672190), (4, 52836095), (5, 42268876), (10, 21134438), (13, 16257260), (20, 10567219), (26, 8128630), (52, 4064315), (65, 3251452), (130, 1625726), (260, 812863), (479, 441220), (958, 220610), (1697, 124540), (1916, 110305), (2395, 88244), (3394, 62270), (4790, 44122), (6227, 33940), (6788, 31135), (8485, 24908), (9580, 22061), (12454, 16970)]